Transformers The core type transformer provides _______ None of the listed here Shorter magnetic path Much longer magnetic path Lesser average length per turn None of the listed here Shorter magnetic path Much longer magnetic path Lesser average length per turn ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 5 A 15 A 20 A 10 A 5 A 15 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Magnetising current is greatly increased Eddy current is increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Magnetising current is greatly increased Eddy current is increased Hysteresis loss is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 66 kV 400 kV 132 kV 33 kV 66 kV 400 kV 132 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Synchronous motor Induction motor Air motor Shunt motor Synchronous motor Induction motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary will draw large power None of the listed here Primary reactance is too much increased Core losses will be excessive Primary will draw large power None of the listed here Primary reactance is too much increased Core losses will be excessive ANSWER DOWNLOAD EXAMIANS APP
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